Home / 28,702.01-39,622.23-19,158.02

Finding the Fourth Proportional to 28,702.01, 39,622.23 and 19,158.02

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Solution

The fourth proportional to 28,702.01, 39,622.23 and 19,158.02 is: 26,447.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,702.01 : 39,622.23 = 19,158.02 : x
  2. Step 2: Convert to fraction form
    28,702.01/39,622.23 = 19,158.02/x
  3. Step 3: Cross multiply
    28,702.01x = 39,622.23 × 19,158.02
  4. Step 4: Simplify right side
    28,702.01x = 759,083,425.26
  5. Step 5: Solve for x
    x = 759,083,425.26/28,702.01
  6. Step 6: Final answer
    x = 26,447.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.